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Monthly climate in Isle, Minnesota, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Isle features a humid continental climate (Dfb). Temperatures typically range between -11 °C (13 °F) and 22 °C (73 °F) through the year, but rarely can drop to -34 °C (-29 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 876 mm (34.5 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually. Isle enjoys an average of 2877 hours of sunshine throughout the year, and daylight varies from 8 hours 40 minutes to 15 hours 41 minutes per day.

Monthly average temperatures in Isle, Minnesota, United States §

The warmest months in Isle are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -11 to -7 °C (13 - 20 °F) throughout the day. On average each year, Isle experiences 47 days above 25 °C (77.0 °F) and 149 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Isle, Minnesota, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 5°C
(41°F)		 10°C
(51°F)		 17°C
(62°F)		 21°C
(71°F)		 32°C
(90°F)		 34°C
(94°F)		 33°C
(91°F)		 31°C
(88°F)		 29°C
(84°F)		 25°C
(77°F)		 19°C
(66°F)		 7°C
(45°F)
Mean maximum 3°C
(37°F)		 4°C
(39°F)		 12°C
(53°F)		 19°C
(66°F)		 26°C
(80°F)		 29°C
(85°F)		 31°C
(89°F)		 30°C
(86°F)		 28°C
(82°F)		 22°C
(72°F)		 11°C
(52°F)		 5°C
(42°F)
Average high -7°C
(20°F)		 -7°C
(20°F)		 2°C
(36°F)		 8°C
(46°F)		 17°C
(63°F)		 24°C
(76°F)		 26°C
(80°F)		 24°C
(76°F)		 20°C
(69°F)		 11°C
(52°F)		 2°C
(36°F)		 -4°C
(26°F)
Daily mean -11°C
(13°F)		 -11°C
(13°F)		 -2°C
(29°F)		 3°C
(39°F)		 13°C
(55°F)		 20°C
(68°F)		 22°C
(73°F)		 20°C
(69°F)		 16°C
(62°F)		 8°C
(46°F)		 -1°C
(30°F)		 -7°C
(20°F)
Average low -14°C
(6°F)		 -15°C
(6°F)		 -6°C
(22°F)		 -0°C
(31°F)		 8°C
(47°F)		 16°C
(61°F)		 19°C
(66°F)		 17°C
(63°F)		 13°C
(55°F)		 5°C
(41°F)		 -4°C
(25°F)		 -10°C
(14°F)
Mean minimum -27°C
(-17°F)		 -28°C
(-17°F)		 -18°C
(-0°F)		 -9°C
(16°F)		 1°C
(34°F)		 10°C
(50°F)		 12°C
(55°F)		 12°C
(54°F)		 6°C
(43°F)		 -3°C
(26°F)		 -13°C
(9°F)		 -23°C
(-10°F)
Minimum -34°C
(-29°F)		 -33°C
(-27°F)		 -26°C
(-14°F)		 -15°C
(5°F)		 -1°C
(31°F)		 9°C
(49°F)		 10°C
(50°F)		 11°C
(52°F)		 2°C
(36°F)		 -10°C
(15°F)		 -16°C
(4°F)		 -28°C
(-18°F)

Compare climate in Isle with other places

Compare temperature, precipitation, sunshine, UV index in Isle, Minnesota, United States with other places around the world.

Monthly average precipitation in Isle, Minnesota, United States §

Isle usually has the most precipitation in August, September and October, with an average of 11 rainy days and 117 mm (4.6 inches) of precipitation per month. The driest months in Isle are January, February and November. On average, 28 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Isle, Minnesota, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 20 (0.8) 26 (1.0) 46 (1.8) 77 (3.0) 79 (3.1) 85 (3.3) 100 (3.9) 114 (4.5) 107 (4.2) 130 (5.1) 37 (1.5) 56 (2.2)
Average precipitation days (≥ 1 mm) 4 6 6 11 11 10 10 11 11 11 8 8

Monthly sunshine hours in Isle, Minnesota, United States §

The sunniest months in Isle are June, July and August, when the sun shines an average of 11 hours 2 minutes a day. Least sunny months in Isle: January, November and December receive an average of 4 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Isle, Minnesota, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 134 198 236 240 296 354 357 304 247 194 161 150
Mean daily daylight hours 9h 5m 10h 21m 11h 57m 13h 35m 14h 59m 15h 41m 15h 18m 14h 3m 12h 28m 10h 51m 9h 25m 8h 40m

Solar UV radiation in Isle, Minnesota, United States §

Isle experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 10, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Isle UV Index data.

Average daily maximum UV levels by month for Isle, Minnesota, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 4 5 7 8 10 9 8 7 5 3 2

Detailed Monthly Weather Insights for Isle, Minnesota, United States

Discover in-depth weather details for every month in Isle. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Isle's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.